<div class="row">
  <x-radio [data]="data" [(ngModel)]="value"></x-radio>
  <x-button (click)="open()">打开</x-button>
  <x-drawer title="标题" [visible]="visible" [placement]="value" (close)="close()">
    <span>内容区域</span>
  </x-drawer>
</div>
